lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Mon, 26 Nov 2018 14:15:28 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     Pavel Machek <pavel@....cz>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linux PM list <linux-pm@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, yuanjiang.yu@...soc.com,
        Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH 3/5] power: supply: sc27xx: Add fuel gauge low voltage alarm

Hi Pavel,
On Mon, 26 Nov 2018 at 05:45, Pavel Machek <pavel@....cz> wrote:
>
> On Wed 2018-11-14 17:07:06, Baolin Wang wrote:
> > From: Yuanjiang Yu <yuanjiang.yu@...soc.com>
> >
> > Add low voltage alarm support to make sure the battery capacity
> > more accurate in lower voltage stage.
> >
> > Signed-off-by: Yuanjiang Yu <yuanjiang.yu@...soc.com>
> > Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
>
> Should we also shut down the system when that happens, as battery is
> empty?
>
> Or is there any lower threshold when we should do the shutdown?

We do not shutdown the system when battery is empty in fuel gauge
driver, instead we should do that in charger manager service or other
upper layers. In fuel gauge driver, we should just supply the accurate
battery capacity for upper layer.

-- 
Baolin Wang
Best Regards

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ